Join Date: Jan 2007
Nominated 6 Times in 11 Posts
TOTW/F/M Award(s): 5
Thanked 1,642 Times in 1,306 Posts
All of the CD changers I've come across, irrespective of make were all powered via the headunit.
Currently in dave_mezza2006's garage:
2014 Vauxhall Astra Limited Edition 1.4 16v VVT Turbo